package com.abcdefg.webpagechatprojectbymyself.config;

import com.abcdefg.webpagechatprojectbymyself.api.WebSocketApi;
import org.springframework.beans.factory.annotation.Autowired;
import org.springframework.context.annotation.Configuration;
import org.springframework.web.socket.config.annotation.EnableWebSocket;
import org.springframework.web.socket.config.annotation.WebSocketConfigurer;
import org.springframework.web.socket.config.annotation.WebSocketHandlerRegistry;
import org.springframework.web.socket.server.support.HttpSessionHandshakeInterceptor;

@Configuration
@EnableWebSocket
public class WebSocketConfig implements WebSocketConfigurer {
    @Autowired
    private WebSocketApi webSocketApi;
    @Override
    public void registerWebSocketHandlers(WebSocketHandlerRegistry registry) {
        registry.addHandler(webSocketApi,"/message")
                //通过注册这个特定的HttpSession拦截器,就可以将HttpSession中添加的Attribute键值对
                //往WebSocketSession里添加一份
                .addInterceptors(new HttpSessionHandshakeInterceptor());
    }
}
